Thank you for viewing. I mainly used this indoors at home. Purchase Location: ・I purchased it new on Amazon in February 2021. Storage Method: ・I have always stored it in a dehumidified storage cabinet. Regarding Transactions: ※ We do not accept individual price negotiations. Please understand this beforehand. ※ To prevent product substitution, we do not accept returns or exchanges after the product arrives. Please understand this beforehand. Product Information (From Amazon): To thoroughly correct chromatic aberration, it achieves extremely high resolution from the center to the periphery of the screen by adopting a total of 10 special low dispersion glass elements, including 9 FLD glass elements and 1 SLD glass element. It employs a dust-proof and drip-proof structure with sealing applied to each part so that it can be used without worry even in harsh shooting environments. It is equipped with an Optical Stabilizer (OS) mechanism that uses an acceleration sensor to achieve highly accurate image stabilization. It is capable of approximately 4 stops of correction. Size: Canon EF mount Focal Length (Wide): 70mm Focal Length (Telephoto): 200mm Maximum Aperture: 2.8 Filter Diameter: 82mm Other Features: Lens hood included, front lens cap included, rear lens cap included #SIGMASports #70-200mm #F2.8DG #CanonEF